Home / 69,387.52-95,759.40-39,162.10

Finding the Fourth Proportional to 69,387.52, 95,759.40 and 39,162.10

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Solution

The fourth proportional to 69,387.52, 95,759.40 and 39,162.10 is: 54,046.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,387.52 : 95,759.40 = 39,162.10 : x
  2. Step 2: Convert to fraction form
    69,387.52/95,759.40 = 39,162.10/x
  3. Step 3: Cross multiply
    69,387.52x = 95,759.40 × 39,162.10
  4. Step 4: Simplify right side
    69,387.52x = 3,750,139,198.74
  5. Step 5: Solve for x
    x = 3,750,139,198.74/69,387.52
  6. Step 6: Final answer
    x = 54,046.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.